qemu-e2k/io/channel-util.c

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/*
* QEMU I/O channels utility APIs
*
* Copyright (c) 2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "io/channel-util.h"
#include "io/channel-file.h"
#include "io/channel-socket.h"
static bool fd_is_socket(int fd)
{
int optval;
socklen_t optlen;
optlen = sizeof(optval);
return qemu_getsockopt(fd,
SOL_SOCKET,
SO_TYPE,
(char *)&optval,
&optlen) == 0;
}
QIOChannel *qio_channel_new_fd(int fd,
Error **errp)
{
QIOChannel *ioc;
if (fd_is_socket(fd)) {
ioc = QIO_CHANNEL(qio_channel_socket_new_fd(fd, errp));
} else {
ioc = QIO_CHANNEL(qio_channel_file_new_fd(fd));
}
return ioc;
}